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HydraMaster Corporation
Page 7-4 : CTS 330 Owner’s Manual
CTS 330
Hot Carbonating Truckmount System
5.0.
Vacuum blower is locked and will not turn.
5.1.
The machine has been unused for a period on time and the blower was not
properly lubricated when it was shut down, causing rust to build up on internal
surfaces. Spray penetrating oil into blower inlet and let sit for at least one hour.
Then
very carefully
use pipe wrench on outer diameter of pulley on blower shaft and
attempt to free up blower.
Do not use wrench directly on blower shaft.
If unable to free
up blower in this manner, refer to qualified service technician.
5.2.
There is internal damage to the blower
. Refer to qualified service technician.
Miscellaneous
Troubleshooting
1.0.
Water from exhaust
1.1.
The recovery tank has been filled with foam or overfilled with water
. Remove
recovery tank lid and inspect. If full, drain tank then inspect high-level shutoff switch for
proper operation. Clean or replace switch as necessary.
1.1.1. If foam is observed in recovery tank, use defoamer on carpet being cleaned.
1.2.
Condensation. This will be more pronounced in cool weather and humid climates.
Observe how long this condition persists after starting machine. If it is only until the
machine
warms up, it is normal.
1.3
.
A heat exchanger is leaking
. Change the diverter mode switch back and forth be-
tween divert and heat exchange mode. Observe which condition causes water to be
expelled from exhaust.
1.3.1. If water is expelled while switch is in heat exchange mode, the engine exhaust after
burner heat exchanger is leaking internally. Remove and test. Replace as necessary.
1.3.2. If water is expelled while switch is in divert mode, the blower exhaust heat exchanger
is leaking. Remove and test. Replace as necessary.
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